Apple's Claris Testing 'Harbor' App for Local AI on Macs

Apple's Claris subsidiary is testing an app called Harbor, which turns Apple silicon Macs into a private AI server.
Harbor works with a single Apple silicon Mac, but it also supports connecting multiple Mac computers over Thunderbolt 5 to pool unified memory for larger models. Apple added RDMA over Thunderbolt 5 with macOS Tahoe 26.2, making clustering faster.Harbor detects devices connected over Thunderbolt 5 and lets users browse for, download, and load open-weight models. It's described as an